A wire PQ of mass 10g is at rest on two parallel metal rails.The separation betweem the rails is 4.9 cm.A magnetic field if 0.80 T is applied perpendicular to the plane of the rails, directed downwads. The resisitance of the circuit is slowly decreased. When the resistance to bleow 10 `Omega` the wire PQ begins to slide on the rails .Calculate the coefficient of friction between the wire and the rails

A metal wire PQ of mass 10g lies at rest on two horizontal metal rails separated by 5cm as shown in Fig. A vertically downward magnetic field of magnitude 0.80T exist in the space. The resistance of the circuit is slowly decreased and it is found that when the resistance goes below 20.0Omega the wire PQ starts sliding on the rails. The coefficient of friction between wires and rails is found. The coefficient of friction between wires and rails is found to be n//25 . find n

A matel wire PQ of mass 10g lies at rest on two horizontal metal rails separated by 4.90 cm . A vertically downward magnetic field of magnitude 0.800 T exists in the space. The resistance of the circuit is slowly decreased and it is found that when the resistance goes below 20.0 Omega , the wire PQ starts sliding on the rails. Find the coefficient of friction.

A matel wire PQ of mass 10g lies at rest on two horizontal metal rails separated by 4.90 cm . A vertically downward magnetic field of magnitude 0.800 T exists in the space. The resistance of the circuit is slowly decreased and it is found that when the resistance goes below 20.0 Omega , the wire PQ starts sliding on the rails. Find the coefficient of friction.

Figure shows a wire sliding on two parallel, conducting rails placed at a separation L . A magnetic field B exists in a direction perpendicular to the plane of the rails. What force is necessary to keep the wire moving at a constant velocity V ?

Shows a wire sliding on two parallel, conducting rails placed at a separaton l. A magnetic feld B exists in a direction perpendicular to the plane of the rails. What force is necessary to keep the wire moving at a constatn velocity v ?

Figure shows a wire of resistance R sliding on two parallel, conducting fixed thick rails placed at a separation l. A magnetic fild B exist in a direction perpendicular to the plane of the rails. The wire is moving with a constant velocity v. Find current through the wire

A conducting wire xy of lentgh l and mass m is sliding without friction on vertical conduction rails ab and cd as shown in figure. A uniform magnetic field B exists perpendicular to the plane of the rails, x moves with a constant velocity of

A conducting wire xy of lentgh l and mass m is sliding without friction on vertical conduction rails ab and cd as shown in figure. A uniform magnetic field B exists perpendicular to the plane of the rails, x moves with a constant velocity of

Consider parallel conducting rails separated by a distance l. There exists a uniform magnetic field B perpendicular to the plane of the rails as shown in Fig. Two conducting wires each of length l are placed so as to slide on parallel conducting rails. One of the wires is given a velocity v_(0) parallel to the rails. Till steady state is achieved, loss in kinetic energy of the system is

A wire of mass m and length I can freely slide on a pair of parallel, smooth, horizontal rails placed in a vertical magnetic field B . The rails are connected by a capacitor of capacitance C. The electric resistance of the rails and the wire is zero. If a constant force F acts on the wire as shown in the figure, find the acceleration of the wire.